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Physics, 21.06.2019 15:00
Aparticle moves according to a law of motion s = f(t), 0 ≤ t ≤ 12, where t is measured in seconds and s in feet. f(t) = cos(πt/6) (a) find the velocity at time t (in ft/s).
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Physics, 21.06.2019 20:20
Suppose that a comet that was seen in 563 a.d. by chinese astronomers was spotted again in year 1951. assume the time between observations is the period of the comet and take its eccentricity as 0.986. what are (a) the semimajor axis of the comet's orbit and (b) its greatest distance from the sun?
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Physics, 21.06.2019 21:30
In what direction does the medium move relative to the direction of the wave? explain.
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Physics, 22.06.2019 13:10
Which additional product balances the reaction h2so4 + 2naoh → na2so4 + 2h2o 2oh h2o2 h3o
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It takes 3.2 x 10^3 j of heat to melt an amount of gold (hf = 6.30 x 10^4 j/kg). how much gold do yo...
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